Multiple-Point Temperature Gradient Algorithm for Ring Laser Gyroscope Bias Compensation

Sensors

Geng Li²  Pengfei Zhang²  Guo Wei²  Yuanping Xie²  Xudong Yu²  Xingwu Long¹ 

[1] College of Opto-electrics Science and Engineering, National University of Defense Technology, Changsha 410073, China

关键词: error compensation;    particle swarm optimization;    ring laser gyroscope;    support vector machine;    gradient methods;    temperature sensors;    temperature measurement;   

DOI  :  10.3390/s151229777

来源: mdpi

【 摘 要 】

To further improve ring laser gyroscope (RLG) bias stability, a multiple-point temperature gradient algorithm is proposed for RLG bias compensation in this paper. Based on the multiple-point temperature measurement system, a complete thermo-image of the RLG block is developed. Combined with the multiple-point temperature gradients between different points of the RLG block, the particle swarm optimization algorithm is used to tune the support vector machine (SVM) parameters, and an optimized design for selecting the thermometer locations is also discussed. The experimental results validate the superiority of the introduced method and enhance the precision and generalizability in the RLG bias compensation model.

【 授权许可】

CC BY   
© 2015 by the authors; licensee MDPI, Basel, Switzerland.